故障用英语怎么说

在故障状态

[词典] nonserviceable;

[例句]断路器合闸在故障状态上跳闸后，当合闸命令未消除时，防止断路器再次合闸。

When circuit breaker on trip trips under accident state, when on trip order has not been eliminated, prevent circuit breaker from on trip again.